*{
    margin: 0;
    padding: 0;
    list-style: none;
}
.container{
    width: 400px;
    margin: 100px auto;
}
input[type="text"]{
    display: block;
    width: 400px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    outline: none;
    font-size: 14px;
    border-radius: 15px;
    border: 1px solid #aaaaaa;
}
.sortbtn{
    display: block;
    width: 200px;
    height: 34px;
    text-align: center;
    line-height: 34px;
    border: 1px solid black;
    border-radius: 10px;
    text-decoration: none;
    color: black;
    margin-left: 100px;
    margin-top: 30px;
}
.sortbtn:hover{
    display: block;
    background-color: black;
    color: #ffffff;
}
label{
    display: block;
    width: 200px;
    text-align: center;
    margin-left: 100px;
    margin-top: 20px;
    font-size: 20px;
}